Question

Alpha particles (charge = +2e, mass = 6.68 × 10-27 kg) are accelerated in a cyclotron to a final orbit radius of 0.35 m. The particles undergo uniform circular motion in a magnetic field equal to 0.9 T. What is the cyclotron frequency of the alpha particles?

Answer #1

Given that B = 0.9 T mass of alpha particle = 6.68 *
10^{-27} kg charge of alpha particle = +2e ; Radius r =
0.35m q = +2e ==> +2(1.6 * 10^{-19} C)

We know that **F = m ^{2}
/ r ----------------- (1) F = qVB -------------------- (2)**
From equation 1 & 2 m

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